Quota error (device loop0): qtree_write_dquot: Error -2041447053 occurred while creating quota Quota error (device loop0): dq_insert_tree: Quota tree root isn't allocated! Quota error (device loop0): qtree_write_dquot: Error -5 occurred while creating quota kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8113 Comm: syz-executor229 Not tainted 4.19.163-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dqput.part.0+0x1e5/0x830 fs/quota/dquot.c:779 Code: 83 00 01 00 00 48 89 44 24 08 48 c1 e8 03 80 3c 28 00 0f 85 f6 04 00 00 4c 8b bb 00 01 00 00 49 8d 7f 38 48 89 fa 48 c1 ea 03 <80> 3c 2a 00 0f 85 f6 04 00 00 4d 8b 7f 38 4c 89 fa 48 c1 ea 03 80 RSP: 0018:ffff88808cbaf7c0 EFLAGS: 00010a02 RAX: 1ffffffff0ca3fce RBX: ffffffff8651fd73 RCX: 0000000000000000 RDX: 1d0e4ebb70bf6261 RSI: 0000000000000004 RDI: e87275db85fb130b RBP: dffffc0000000000 R08: 0000000000000000 R09: fffffbfff13c2500 R10: ffffffff89e12803 R11: 0000000000000000 R12: ffffffff8651fe6b R13: 0000000000000006 R14: fffffbfff0ca3fcd R15: e87275db85fb12d3 FS: 0000000000ad1880(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055644ee5a510 CR3: 00000000a5f84000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dqput fs/quota/dquot.c:752 [inline] dqput_all fs/quota/dquot.c:391 [inline] __dquot_initialize+0x5ad/0xb70 fs/quota/dquot.c:1521 ext4_xattr_set+0xbd/0x2a0 fs/ext4/xattr.c:2495 __vfs_setxattr+0x10e/0x170 fs/xattr.c:149 __vfs_setxattr_noperm+0x11a/0x420 fs/xattr.c:180 __vfs_setxattr_locked+0x176/0x250 fs/xattr.c:238 vfs_setxattr+0xe5/0x270 fs/xattr.c:255 setxattr+0x23d/0x330 fs/xattr.c:520 path_setxattr+0x170/0x190 fs/xattr.c:539 __do_sys_setxattr fs/xattr.c:554 [inline] __se_sys_setxattr fs/xattr.c:550 [inline] __x64_sys_setxattr+0xc0/0x160 fs/xattr.c:550 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4448a9 Code: 8d d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd1da8c108 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004448a9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 00000000006cf018 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402490 R13: 0000000000402520 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace b9fa8f9c97ba89a0 ]--- RIP: 0010:dqput.part.0+0x1e5/0x830 fs/quota/dquot.c:779 Code: 83 00 01 00 00 48 89 44 24 08 48 c1 e8 03 80 3c 28 00 0f 85 f6 04 00 00 4c 8b bb 00 01 00 00 49 8d 7f 38 48 89 fa 48 c1 ea 03 <80> 3c 2a 00 0f 85 f6 04 00 00 4d 8b 7f 38 4c 89 fa 48 c1 ea 03 80 RSP: 0018:ffff88808cbaf7c0 EFLAGS: 00010a02 RAX: 1ffffffff0ca3fce RBX: ffffffff8651fd73 RCX: 0000000000000000 RDX: 1d0e4ebb70bf6261 RSI: 0000000000000004 RDI: e87275db85fb130b RBP: dffffc0000000000 R08: 0000000000000000 R09: fffffbfff13c2500 R10: ffffffff89e12803 R11: 0000000000000000 R12: ffffffff8651fe6b R13: 0000000000000006 R14: fffffbfff0ca3fcd R15: e87275db85fb12d3 FS: 0000000000ad1880(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feec803a048 CR3: 00000000a5f84000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400